7.5x7.5x7.5mm Cube Magnets

SKU: 44225-7.5

$0.93USD or lower Each

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The 7.5mm neodymium rare earth cube magnet has an 8.5lb holding force. They are handy for making architectural models of buildings for use in displays & even wind tunnels.

We have sold NdFeB magnets since 1996 and N42 grade since 2003, the best value for strength & temperature vs cost. Don't be fooled by claims of higher strength, N52, at lower cost.

Read the complete Google Customer Review for: "...(Indigo) N42 Neodymium magnets...the real deal…bought magnets on Amazon advertised as N52… another cheap Chinese fake"

We also provide complete Documentation including MSDS & ROHS; see below.
Details Specs Docs Reviews Related Products
Details

Watch the video of Magnetic Braking-Lenz's Law/Eddy currents. Note that in the video we actually used a 12.5mm cube in a 3/4" copper pipe but those are harder to find. 

 

 

Titanium tweezers can be used to handle cube  magnets & position them easily. The Mark I Magnaprobe is ultra sensitive & can be used to check stray magnetic fields. The Mark II Magnaprobe is a fast & convenient way to confirm magnet are positioned with their poles pointing correctly.

Specifications

Magnet Characteristics

Field Strength (Gauss) & Pull Force in Pounds & Kilograms at 5 Distances Above Magnet
SKU: 44225-7.5;       Size: 7.5x7.5x7.5mm
Distance (mm): 0 0.1 1 10 100
Gauss 5666.8 5528.5 4306.5 329.7 0.8
Pounds 8.5 8.1 4.9 0.0 0.0
Kilograms 3.9 40.9 24.8 0.1 0.0

 

Click on N42 Magnet Specifications for a table that lists general characteristics such as coercivity & remanence.

Click on N42 Magnet Tolerances for a table that lists the range of variation in thickness, diameter, etc.

Click on American vs Metric to see a table with conversions & as well as rounded mm equivalents closest to inch sizes.

Documentation

Magnet Documentation
Drawing Compliance MSDS ROHS Graph REACH
Magnet Technical Diagram Certificate of Compliance MSDS ROHS N42 Graph REACH Document
Reviews (1)
2021-04-04

Great product. Delivered in a timely fashion and arrived as expected. Packaging on magnets sufficient to avoid interaction with other parcels (electronics, etc.).

— Mac
— Indigo:

Thanks. Fortunately the magnetic field drops greatly with distance so a little bit of packaging goes a long way.?

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